LAMMPS (27 Nov 2018)
  using 1 OpenMP thread(s) per MPI task
# Pour granular particles into chute container, then induce flow

atom_style	sphere
boundary	p p fm
newton		off
comm_modify	vel yes

region		reg block -10 10 -10 10 -0.5 16 units box
create_box	1 reg
Created orthogonal box = (-10 -10 -0.5) to (10 10 16)
  2 by 2 by 1 MPI processor grid

neighbor	0.2 bin
neigh_modify	delay 0

# IMPORTANT NOTE: these values of stiffness (2000) and timestep (0.001)
# are used in this example file to produce a quick simulation and movie.
# More appropriate values for realistic simulations would be
# k = 2.0e5 and dt = 0.0001, as in bench/in.chute.

pair_style      gran/hooke/history 2000.0 NULL 50.0 NULL 0.5 0
pair_coeff	* *

timestep	0.001

fix		1 all nve/sphere
fix		2 all gravity 1.0 spherical 0.0 -180.0
fix		zlower all wall/gran hooke/history 2000.0 NULL 50.0 NULL 0.5 0 		zplane 0.0 2000.0

region		slab block -9.0 9.0 -9.0 9.0 10.0 15.0 units box
fix		ins all pour 3000 1 300719 vol 0.13 50 region slab
Particle insertion: 402 every 3162 steps, 3000 by step 22135

compute		1 all erotate/sphere
thermo_style	custom step atoms ke c_1 vol
thermo		1000
thermo_modify	lost ignore norm no
compute_modify	thermo_temp dynamic/dof yes

#dump		id all atom 1000 dump.pour

#dump		2 all image 1000 image.*.jpg type type #		axes yes 0.8 0.02 view 80 -30
#dump_modify	2 pad 5

#dump		3 all movie 1000 movie.mpg type type #		axes yes 0.8 0.02 view 80 -30
#dump_modify	3 pad 5

run		25000
Neighbor list info ...
  update every 1 steps, delay 0 steps, check yes
  max neighbors/atom: 2000, page size: 100000
  master list distance cutoff = 1.2
  ghost atom cutoff = 1.2
  binsize = 0.6, bins = 34 34 28
  1 neighbor lists, perpetual/occasional/extra = 1 0 0
  (1) pair gran/hooke/history, perpetual
      attributes: half, newton off, size, history
      pair build: half/size/bin/newtoff
      stencil: half/bin/3d/newtoff
      bin: standard
Per MPI rank memory allocation (min/avg/max) = 5.83 | 5.83 | 5.83 Mbytes
Step Atoms KinEng c_1 Volume 
       0        0           -0            0         6600 
    1000      402    768.04606            0         6600 
    2000      402    1407.1714            0         6600 
    3000      402     1373.819     15.59952         6600 
    4000      804    1737.1399    39.311164         6600 
    5000      804    1571.3184    67.501382         6600 
    6000      804    1318.6439    77.636174         6600 
    7000     1206    1521.8348    69.010381         6600 
    8000     1206    1391.0761    64.407583         6600 
    9000     1206      1264.98     50.32567         6600 
   10000     1608    1462.7175    49.903609         6600 
   11000     1608    1317.5878    52.401196         6600 
   12000     1608    1120.9416    46.067058         6600 
   13000     2010    1200.1517    49.662302         6600 
   14000     2010    1180.2805    38.850379         6600 
   15000     2010    970.23519    39.121533         6600 
   16000     2412    1101.3888    44.051087         6600 
   17000     2412    1054.4967    43.489619         6600 
   18000     2412    850.25959    42.296696         6600 
   19000     2814    959.68841    42.757546         6600 
   20000     2814    933.72206    42.668586         6600 
   21000     2814     779.2842    42.116934         6600 
   22000     2814    537.68477    35.113909         6600 
   23000     3000    456.26221    36.394458         6600 
   24000     3000    334.38331    26.256087         6600 
   25000     3000     233.7217    18.768345         6600 
Loop time of 2.79912 on 4 procs for 25000 steps with 3000 atoms

Performance: 771671.423 tau/day, 8931.382 timesteps/s
97.1% CPU use with 4 MPI tasks x 1 OpenMP threads

MPI task timing breakdown:
Section |  min time  |  avg time  |  max time  |%varavg| %total
---------------------------------------------------------------
Pair    | 1.0916     | 1.1431     | 1.1982     |   4.0 | 40.84
Neigh   | 0.37439    | 0.39186    | 0.41149    |   2.6 | 14.00
Comm    | 0.32241    | 0.32795    | 0.33831    |   1.1 | 11.72
Output  | 0.00068283 | 0.0029467  | 0.0094671  |   6.9 |  0.11
Modify  | 0.5813     | 0.5952     | 0.60947    |   1.5 | 21.26
Other   |            | 0.3381     |            |       | 12.08

Nlocal:    750 ave 765 max 730 min
Histogram: 1 0 0 0 1 0 0 0 1 1
Nghost:    390.75 ave 393 max 385 min
Histogram: 1 0 0 0 0 0 0 0 1 2
Neighs:    3548 ave 3643 max 3454 min
Histogram: 1 0 1 0 0 0 0 1 0 1

Total # of neighbors = 14192
Ave neighs/atom = 4.73067
Neighbor list builds = 1152
Dangerous builds = 0

unfix		ins
fix		2 all gravity 1.0 chute 26.0
run		25000
Per MPI rank memory allocation (min/avg/max) = 12.16 | 12.39 | 13.06 Mbytes
Step Atoms KinEng c_1 Volume 
   25000     3000     233.7217    18.768345         6600 
   26000     3000     80.58756    21.114703         6600 
   27000     3000    112.90794    11.760837         6600 
   28000     3000    211.68857    11.667711         6600 
   29000     3000    368.27114    15.483397         6600 
   30000     3000    611.33941    21.023859         6600 
   31000     3000    902.04662    29.663904         6600 
   32000     3000    1188.6213    31.996848         6600 
   33000     3000    1626.3144    38.244424         6600 
   34000     3000    2068.1939    45.793779         6600 
   35000     3000    2654.4292    55.900641         6600 
   36000     3000    3212.0662    64.492942         6600 
   37000     3000    3942.9079    73.557353         6600 
   38000     3000    4710.2169     84.24051         6600 
   39000     3000     5513.597    93.737814         6600 
   40000     3000     6367.338    112.43633         6600 
   41000     3000    7417.7889    130.70338         6600 
   42000     3000    8428.2678    124.66302         6600 
   43000     3000    9498.0121    136.37107         6600 
   44000     3000    10680.269    149.21074         6600 
   45000     3000     11852.03    154.67802         6600 
   46000     3000    12896.699    167.10324         6600 
   47000     3000    14218.465    196.70386         6600 
   48000     3000    15555.796    204.40316         6600 
   49000     3000    16694.338    208.98934         6600 
   50000     3000    17936.665    192.19442         6600 
Loop time of 5.65089 on 4 procs for 25000 steps with 3000 atoms

Performance: 382240.368 tau/day, 4424.078 timesteps/s
94.3% CPU use with 4 MPI tasks x 1 OpenMP threads

MPI task timing breakdown:
Section |  min time  |  avg time  |  max time  |%varavg| %total
---------------------------------------------------------------
Pair    | 2.5656     | 2.5853     | 2.6068     |   0.9 | 45.75
Neigh   | 0.57736    | 0.59939    | 0.61824    |   1.9 | 10.61
Comm    | 0.58146    | 0.63908    | 0.70461    |   5.5 | 11.31
Output  | 0.00081015 | 0.002184   | 0.0061922  |   5.0 |  0.04
Modify  | 0.91975    | 0.93371    | 0.95875    |   1.5 | 16.52
Other   |            | 0.8912     |            |       | 15.77

Nlocal:    750 ave 758 max 741 min
Histogram: 1 0 0 0 0 2 0 0 0 1
Nghost:    404 ave 417 max 395 min
Histogram: 1 0 1 0 1 0 0 0 0 1
Neighs:    3603.75 ave 3695 max 3528 min
Histogram: 1 0 0 1 1 0 0 0 0 1

Total # of neighbors = 14415
Ave neighs/atom = 4.805
Neighbor list builds = 827
Dangerous builds = 0
Total wall time: 0:00:08
